Home / 74,977.09-112,521-35,534.32

Finding the Fourth Proportional to 74,977.09, 112,521 and 35,534.32

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Solution

The fourth proportional to 74,977.09, 112,521 and 35,534.32 is: 53,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,977.09 : 112,521 = 35,534.32 : x
  2. Step 2: Convert to fraction form
    74,977.09/112,521 = 35,534.32/x
  3. Step 3: Cross multiply
    74,977.09x = 112,521 × 35,534.32
  4. Step 4: Simplify right side
    74,977.09x = 3,998,357,220.72
  5. Step 5: Solve for x
    x = 3,998,357,220.72/74,977.09
  6. Step 6: Final answer
    x = 53,327.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.